Hormone de l'adénohypophyse Flashcards

1
Q

quelles sont les 4 hormones de libération synthétisée par les cellules neurosécrétrices hypothalamiques? (releasing hormones)

A
  1. GHRH (somatocrinine)
  2. TRH (thyréolibérine)
  3. GnRH (gonadolibérine)
  4. CRH (corticolibérine)
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2
Q

quelle est la cellules endocrine sécrétrice de l’adénohypophyse stimulé par la GHRH?

A

somatotrope

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3
Q

la somatotrope est stimulé par quelle hormone neurosécrétrice hypothalamique?

A

GHRH (somatocrinine)

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4
Q

quelle hormone inhibe la somatotrope?

A

GHIH (somatostatine)

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5
Q

quelle hormone synthétise la somatotrope?

A

GH = somatotrophine = hormone de croissance

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6
Q

Quelle cellules endocrine sécrétrice est responsable de la sécrétion de l’hormone de croissance?

A

Somatotrope

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7
Q

La cellule thyréotrope est activé par quelle hormone?

A

TRH (thyréolibérine)

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8
Q

Quelle hormone inhibe la cellule endocrine thyréotrope?

A

GHIH= somatostaine

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9
Q

GHIH (somatostatine) est responsable de l’inhibition de quelles cellules endocrines de l’adénohypophyse? (2)

A
  1. Somatotrope
  2. Thyréotrope
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10
Q

quelle hormone sécréte la thyréotrope?

A

TSH (thyréotropine)

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11
Q

quelle hormone inhibe les lactotropes?

A

dopamine

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12
Q

quelle hormone est libérée par les lactotrope?

A

PRL (prolactine)

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13
Q

par quelle hormone est activé la gonadotrope?

A

GnRH (gonalibérine)

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14
Q

la gonadotrope permet la sécrétion de deux types d’hormones, lesquelles?

A

1.FSH = folliculo-stimulante
2. LH = lutéinisante

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15
Q

la corticolibérine stimule quelle cellule endocrine de l’adénohypophyse?

A

corticotrope

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16
Q

Les corticotropes libère quelle hormone?

A

ACTH = corticotropine

17
Q

Quelles sont les 5 cellules endocrines de l’adénohypohyse?

A

1.Somatotrope
2. Thyréotrope
3. Lactotrope
4. Gonadotrope
5. Corticotrope

18
Q

quelles sont les 2 hormones d’inhibition par les cellules neurosécrétrices hypothalamiques?

A
  1. GHIH (somatostatine)
  2. dopamine